From patchwork Tue Mar 17 01:04:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 11441605 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 05AA790 for ; Tue, 17 Mar 2020 01:04:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA8F3206C0 for ; Tue, 17 Mar 2020 01:04:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584407084; bh=KdS4RMI+OlO1mZZ760HpkNw0mD5vL6J8lZuSvxr4g2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qib1yu76sKoLVPrlsgxLv/YAyOVI5rifDmA70awEHsU7O3U0rpQyMAW2RtjK6F011 z4pLOSOINjsGJo3cWkOavZBs76eKYNyirIkAkABtwFP0+x73nWYFghv7i4IOZU9eYw 3KmZdyxDLkPFsL4OFff8SGY9ZWS4q1kykPSNU0/o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387427AbgCQBEW (ORCPT ); Mon, 16 Mar 2020 21:04:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:59846 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387413AbgCQBEW (ORCPT ); Mon, 16 Mar 2020 21:04:22 -0400 Received: from kicinski-fedora-PC1C0HJN.thefacebook.com (unknown [163.114.132.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9A3A320719; Tue, 17 Mar 2020 01:04:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584407062; bh=KdS4RMI+OlO1mZZ760HpkNw0mD5vL6J8lZuSvxr4g2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FW4HaMc3rxHs/sOaGcVTthZ9r8wr7ysXIByAxbig1NNB9ZyzdirVdSCcOK4W1Jc0x ankgfE1pnnUxvsEgPV7nAH/30i8LDDKeOW6QlVn7mDnl9ivau66KdRmZGjhdxSLJ2p 0ess/0u1a15whsfR4S5mFMhdIgmbCNw16XOs3dCQ= From: Jakub Kicinski To: shuah@kernel.org, keescook@chromium.org Cc: luto@amacapital.net, wad@chromium.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com, Tim.Bird@sony.com, Jakub Kicinski Subject: [PATCH v4 1/5] kselftest: factor out list manipulation to a helper Date: Mon, 16 Mar 2020 18:04:15 -0700 Message-Id: <20200317010419.3268916-2-kuba@kernel.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200317010419.3268916-1-kuba@kernel.org> References: <20200317010419.3268916-1-kuba@kernel.org> MIME-Version: 1.0 Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Kees suggest to factor out the list append code to a macro, since following commits need it, which leads to code duplication. Suggested-by: Kees Cook Signed-off-by: Jakub Kicinski --- tools/testing/selftests/kselftest_harness.h | 42 ++++++++++++--------- 1 file changed, 24 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 5336b26506ab..aaf58fffc8f7 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -631,6 +631,29 @@ } \ } while (0); OPTIONAL_HANDLER(_assert) +/* List helpers */ +#define __LIST_APPEND(head, item) \ +{ \ + /* Circular linked list where only prev is circular. */ \ + if (head == NULL) { \ + head = item; \ + item->next = NULL; \ + item->prev = item; \ + return; \ + } \ + if (__constructor_order == _CONSTRUCTOR_ORDER_FORWARD) { \ + item->next = NULL; \ + item->prev = head->prev; \ + item->prev->next = item; \ + head->prev = item; \ + } else { \ + item->next = head; \ + item->next->prev = item; \ + item->prev = item; \ + head = item; \ + } \ +} + /* Contains all the information for test execution and status checking. */ struct __test_metadata { const char *name; @@ -665,24 +688,7 @@ static int __constructor_order; static inline void __register_test(struct __test_metadata *t) { __test_count++; - /* Circular linked list where only prev is circular. */ - if (__test_list == NULL) { - __test_list = t; - t->next = NULL; - t->prev = t; - return; - } - if (__constructor_order == _CONSTRUCTOR_ORDER_FORWARD) { - t->next = NULL; - t->prev = __test_list->prev; - t->prev->next = t; - __test_list->prev = t; - } else { - t->next = __test_list; - t->next->prev = t; - t->prev = t; - __test_list = t; - } + __LIST_APPEND(__test_list, t); } static inline int __bail(int for_realz, bool no_print, __u8 step)